668769202 has 8 divisors (see below), whose sum is σ = 1009161216. Its totient is φ = 332382132.

The previous prime is 668769197. The next prime is 668769209. The reversal of 668769202 is 202967866.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (668769209) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1000818 + ... + 1001485.

It is an arithmetic number, because the mean of its divisors is an integer number (126145152).

Almost surely, 2^668769202 is an apocalyptic number.

668769202 is a deficient number, since it is larger than the sum of its proper divisors (340392014).

668769202 is a wasteful number, since it uses less digits than its factorization.

668769202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2002472.

The product of its (nonzero) digits is 435456, while the sum is 46.

The square root of 668769202 is about 25860.5723447877. The cubic root of 668769202 is about 874.4978678717.

The spelling of 668769202 in words is "six hundred sixty-eight million, seven hundred sixty-nine thousand, two hundred two".